ull·​mann·​ite | \ ˈəlməˌnīt \
plural -s

Definition of ullmannite

: a mineral NiSbS consisting of nickel antimonide and sulfide, usually containing a little arsenic, and occurring massive with steel-gray color and metallic luster

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History and Etymology for ullmannite

German ullmannit, from Johann C. Ullmann †1821 German mineralogist + German -it -ite

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Cite this Entry

“Ullmannite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ullmannite. Accessed 10 Jul. 2020.

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